Twice the difference of a number and 6 is equal to three times the sum of the number and 9. Find the number

the number is -39

Step-by-step explanation:

2(n-6)=3(n+9)

2n-12=3n+27

-2n       -2n

     -12=n+27

     -27         -27

      -39=n

x = ± 6i

step-by-step explanation:

x^2 = -36

take the square root of each side

sqrt(x^2) = sqrt(-36)

we know sqrt(ab) = sqrt(a) sqrt(b)

x = ±sqrt(36) sqrt(-1)

we know that sqrt (-1) = i

x = ± 6i

283 square feet

step-by-step explanation:

good luck